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Bland–Altman 图的R及MedCalc实现_medcalc bland altman

r语言 cdadata 1734℃

Bland–Altman 图的R及MedCalc实现

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data<-read.csv(“ba.csv”,header=TRUE)
data
attach(data)
bland_altman_plot <- function(test1,test2,xlab=”Average testresult”, ylab=”Deviation of experimental test”)
{
  d <- ((test1 + test2)/2)
  diff <- test1 – test2
  plot(diff ~ d,pch=16,ylim=c(-60,60),xlab=xlab,ylab=ylab)
  abline(h=mean(diff)-c(-1.96,0,1.96)*sd(diff),lty=2)
}
bland_altman_plot(test1,test2,xlab=”Test 1″,ylab=”Difference Test1 and Test2″)
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Bland–Altman 图的R及MedCalc实现
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MedCalc结果

Bland–Altman 图的R及MedCalc实现

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